Answer:
6
Step-by-step explanation:
The answer is 6 because there is three other couples and so Barbie would have shaken each couples hand and in a couple there are two people so that would be two handshakes per couple minus Kens hand.
7168
-127
first multiplied the ones in parentheses
12+5-144
then you add
12+5=17
17-144=-127
0.00008 (X^4 + 250000) is the answer
